Cover for a trailer hitch



FIG. 1 is a perspective view of my new ornamental design for a cover for a trailer hitch;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof, the bottom view being a mirror image of FIG. 4 view; and,

FIG. 5 is a side view thereof. The opposite side view is a mirror image of the FIG. 5 view. 

The ornamental design for a cover for a trailer hitch, as shown and described. 